<template>
  <div style="padding: 10px">
    <!--    功能区域-->
    <div style="margin: 10px 0">
      <el-button type="primary" @click="add">新增</el-button>
    </div>

    <!--    搜索区域-->
    <div style="margin: 10px 0">
      <el-input
        v-model="search"
        placeholder="请输入学生姓名"
        style="width: 20%"
        clearable
      ></el-input>
      <el-button type="primary" style="margin-left: 5px" @click="load"
        >查询</el-button
      >
    </div>
    <el-table :data="tableData" border stripe style="width: 100%">
      <el-table-column align="center" prop="id" label="ID" sortable>
      </el-table-column>
      <el-table-column align="center" prop="name" label="学生姓名">
      </el-table-column>
      <el-table-column
        align="center"
        prop="gender"
        label="性别"
        :formatter="formatRole"
      >
      </el-table-column>
      <el-table-column align="center" prop="age" label="年龄">
      </el-table-column>
      <el-table-column align="center" prop="birthDate" label="出生日期">
      </el-table-column>
      <el-table-column align="center" prop="remarks" label="备注">
      </el-table-column>
      <el-table-column align="center" label="操作">
        <template #default="scope">
          <el-button size="mini" @click="handleEdit(scope.row)">编辑</el-button>
          <el-popconfirm
            title="确定删除吗？"
            @confirm="handleDelete(scope.row.id)"
          >
            <template #reference>
              <el-button size="mini" type="danger">删除</el-button>
            </template>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>

    <div style="margin: 10px 0">
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="currentPage"
        :page-sizes="[5, 10, 20]"
        :page-size="pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>

      <el-dialog title="学生信息" v-model="dialogVisible" width="30%">
        <el-form :ref="form" :model="form" label-width="120px">
          <el-form-item
            prop="name"
            :rules="{
              required: true,
              message: '姓名不能为空',
              trigger: 'blur',
            }"
            label="姓名"
          >
            <el-input
              type="text"
              v-model="form.name"
              style="width: 80%"
            ></el-input>
          </el-form-item>
          <el-form-item
            prop="age"
            :rules="[
              { required: true, message: '年龄不能为空' },
              { type: 'number', message: '年龄必须为数字值' },
            ]"
            label="年龄"
          >
            <el-input
              type="age"
              v-model.number="form.age"
              style="width: 80%"
            ></el-input>
          </el-form-item>
          <el-form-item label="性别">
            <el-radio v-model="form.gender" :label="true">男</el-radio>
            <el-radio v-model="form.gender" :label="false">女</el-radio>
          </el-form-item>
          <el-form-item label="出生日期">
            <span class="demonstration"></span>
            <el-date-picker
              v-model="form.birthDate"
              type="date"
              placeholder="选择日期"
            >
            </el-date-picker>
          </el-form-item>
          <el-form-item label="备注">
            <el-input
              type="textarea"
              :rows="2"
              placeholder="请输入内容"
              v-model="form.remarks"
              style="width: 80%"
            >
            </el-input>
          </el-form-item>
        </el-form>
        <template #footer>
          <span class="dialog-footer">
            <el-button @click="dialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="save">确 定</el-button>
          </span>
        </template>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import request from "@/utils/request";

export default {
  name: "Home",
  components: {},
  data() {
    return {
      form: {},
      dialogVisible: false,
      search: "",
      currentPage: 1,
      pageSize: 5,
      total: 0,
      tableData: [],
    };
  },
  created() {
    this.load();
  },
  methods: {
    formatRole: function (row) {
      return row.gender == true ? "男" : row.gender == false ? "女" : "暂无";
    },
    load() {
      request
        .get("/api/student/page", {
          params: {
            pageNum: this.currentPage,
            pageSize: this.pageSize,
            search: this.search,
          },
        })
        .then((res) => {
          console.log(res);
          this.tableData = res.data.records;
          this.total = res.data.total;
        });
    },

    add() {
      this.dialogVisible = true;
      this.form = {};
    },
    save() {
      if (this.form.id) {
        // 更新
        request.put("/api/student/update", this.form).then((res) => {
          console.log(res);
          if (res.code === "0") {
            this.$message({
              type: "success",
              message: "更新成功",
            });
          } else {
            this.$message({
              type: "error",
              message: res.msg,
            });
          }
          this.load(); // 刷新表格的数据
          this.dialogVisible = false; // 关闭弹窗
        });
      } else {
        // 新增
        request.post("/api/student/add", this.form).then((res) => {
          console.log(res);
          if (res.code === "0") {
            this.$message({
              type: "success",
              message: "新增成功",
            });
          } else {
            this.$message({
              type: "error",
              message: res.msg,
            });
          }

          this.load(); // 刷新表格的数据
          this.dialogVisible = false; // 关闭弹窗
        });
      }
    },
    handleEdit(row) {
      this.form = JSON.parse(JSON.stringify(row));
      this.dialogVisible = true;
    },
    handleDelete(id) {
      console.log(id);
      request.get("/api/student/delete/" + id).then((res) => {
        if (res.code === "0") {
          this.$message({
            type: "success",
            message: "删除成功",
          });
        } else {
          this.$message({
            type: "error",
            message: res.msg,
          });
        }
        this.load(); // 删除之后重新加载表格的数据
      });
    },
    handleSizeChange(pageSize) {
      // 改变当前每页的个数触发
      this.pageSize = pageSize;
      this.load();
    },
    handleCurrentChange(pageNum) {
      // 改变当前页码触发
      this.currentPage = pageNum;
      this.load();
    },
  },
};
</script>
